library/appointments.inc.php

   1 <?php
   2
   3  // Copyright (C) 2011 Ken Chapple
   4  //
   5  // This program is free software; you can redistribute it and/or
   6  // modify it under the terms of the GNU General Public License
   7  // as published by the Free Software Foundation; either version 2
   8  // of the License, or (at your option) any later version.
   9
  10  // Holds library functions (and hashes) used by the appointment reporting module
  11
  12
  13
  14 require_once(dirname(__FILE__)."/encounter_events.inc.php");
  15 require_once(dirname(__FILE__)."/../interface/main/calendar/modules/PostCalendar/pnincludes/Date/Calc.php");
  16
  17
  18 $COMPARE_FUNCTION_HASH = array(
  19     'doctor' => 'compareAppointmentsByDoctorName',
  20     'patient' => 'compareAppointmentsByPatientName',
  21     'pubpid' => 'compareAppointmentsByPatientId',
  22     'date' => 'compareAppointmentsByDate',
  23     'time' => 'compareAppointmentsByTime',
  24     'type' => 'compareAppointmentsByType',
  25     'comment' => 'compareAppointmentsByComment',
  26     'status' => 'compareAppointmentsByStatus',
  27     'completed' => 'compareAppointmentsByCompletedDrugScreen',
  28     'trackerstatus' => 'compareAppointmentsByTrackerStatus'
  29 );
  30
  31 $ORDERHASH = array(
  32         'doctor' => array( 'doctor', 'date', 'time' ),
  33         'patient' => array( 'patient', 'date', 'time' ),
  34         'pubpid' => array( 'pubpid', 'date', 'time' ),
  35         'date' => array( 'date', 'time', 'type', 'patient' ),
  36         'time' => array( 'time', 'date', 'patient' ),
  37         'type' => array( 'type', 'date', 'time', 'patient' ),
  38         'comment' => array( 'comment', 'date', 'time', 'patient' ),
  39     'status' => array( 'status', 'date', 'time', 'patient' ),
  40     'completed' => array( 'completed', 'date', 'time', 'patient' ),
  41     'trackerstatus' => array( 'trackerstatus', 'date', 'time', 'patient' ),
  42 );
  43
  44 /*Arrays for the interpretation of recurrence patterns.*/
  45 $REPEAT_FREQ = array(
  46         '1' => xl('Every'),
  47         '2' => xl('Every 2nd'),
  48         '3' => xl('Every 3rd'),
  49         '4' => xl('Every 4th'),
  50         '5' => xl('Every 5th'),
  51         '6' => xl('Every 6th')
  52 );
  53
  54 $REPEAT_FREQ_TYPE = array(
  55         '0' => xl('day'),
  56         '1' => xl('week'),
  57         '2' => xl('month'),
  58         '3' => xl('year'),
  59         '4' => xl('workday')
  60 );
  61
  62 $REPEAT_ON_NUM = array(
  63         '1' => xl('1st'),
  64         '2' => xl('2nd'),
  65         '3' => xl('3rd'),
  66         '4' => xl('4th'),
  67         '5' => xl('Last')
  68 );
  69
  70 $REPEAT_ON_DAY = array(
  71         '0' => xl('Sunday'),
  72         '1' => xl('Monday'),
  73         '2' => xl('Tuesday'),
  74         '3' => xl('Wednesday'),
  75         '4' => xl('Thursday'),
  76         '5' => xl('Friday'),
  77         '6' => xl('Saturday')
  78 );
  79
  80 function fetchEvents( $from_date, $to_date, $where_param = null, $orderby_param = null, $tracker_board = false, $nextX = 0, $bind_param = null, $query_param = null )
  81 {
  82
  83   $sqlBindArray = array();
  84
  85   if($query_param) {
  86
  87     $query = $query_param;
  88
  89     if($bind_param) $sqlBindArray = $bind_param;
  90
  91   } else {
  92     //////
  93     if($nextX) {
  94
  95       $where =
  96         "((e.pc_endDate >= ? AND e.pc_recurrtype > '0') OR " .
  97         "(e.pc_eventDate >= ?))";
  98
  99       array_push($sqlBindArray, $from_date, $from_date);
 100
 101     } else {
 102     //////
 103       $where =
 104         "((e.pc_endDate >= ? AND e.pc_eventDate <= ? AND e.pc_recurrtype > '0') OR " .
 105         "(e.pc_eventDate >= ? AND e.pc_eventDate <= ?))";
 106
 107       array_push($sqlBindArray, $from_date, $to_date, $from_date, $to_date);
 108
 109     }
 110
 111     if ( $where_param ) $where .= $where_param;
 112
 113     $order_by = "e.pc_eventDate, e.pc_startTime";
 114     if ( $orderby_param ) {
 115        $order_by = $orderby_param;
 116     }
 117
 118     // Tracker Board specific stuff
 119     $tracker_fields = '';
 120     $tracker_joins = '';
 121     if ($tracker_board) {
 122     $tracker_fields = "e.pc_room, e.pc_pid, t.id, t.date, t.apptdate, t.appttime, t.eid, t.pid, t.original_user, t.encounter, t.lastseq, t.random_drug_test, t.drug_screen_completed, " .
 123     "q.pt_tracker_id, q.start_datetime, q.room, q.status, q.seq, q.user, " .
 124     "s.toggle_setting_1, s.toggle_setting_2, s.option_id, ";
 125     $tracker_joins = "LEFT OUTER JOIN patient_tracker AS t ON t.pid = e.pc_pid AND t.apptdate = e.pc_eventDate AND t.appttime = e.pc_starttime AND t.eid = e.pc_eid " .
 126     "LEFT OUTER JOIN patient_tracker_element AS q ON q.pt_tracker_id = t.id AND q.seq = t.lastseq " .
 127     "LEFT OUTER JOIN list_options AS s ON s.list_id = 'apptstat' AND s.option_id = q.status AND s.activity = 1 " ;
 128     }
 129
 130     $query = "SELECT " .
 131     "e.pc_eventDate, e.pc_endDate, e.pc_startTime, e.pc_endTime, e.pc_duration, e.pc_recurrtype, e.pc_recurrspec, e.pc_recurrfreq, e.pc_catid, e.pc_eid, e.pc_gid, " .
 132     "e.pc_title, e.pc_hometext, e.pc_apptstatus, " .
 133     "p.fname, p.mname, p.lname, p.pid, p.pubpid, p.phone_home, p.phone_cell, " .
 134     "u.fname AS ufname, u.mname AS umname, u.lname AS ulname, u.id AS uprovider_id, " .
 135     "f.name, " .
 136     "$tracker_fields" .
 137     "c.pc_catname, c.pc_catid " .
 138     "FROM openemr_postcalendar_events AS e " .
 139     "$tracker_joins" .
 140     "LEFT OUTER JOIN facility AS f ON e.pc_facility = f.id " .
 141     "LEFT OUTER JOIN patient_data AS p ON p.pid = e.pc_pid " .
 142     "LEFT OUTER JOIN users AS u ON u.id = e.pc_aid " .
 143     "LEFT OUTER JOIN openemr_postcalendar_categories AS c ON c.pc_catid = e.pc_catid " .
 144     "WHERE $where " .
 145     "ORDER BY $order_by";
 146
 147     if($bind_param) $sqlBindArray = array_merge($sqlBindArray, $bind_param);
 148
 149   }
 150
 151
 152   ///////////////////////////////////////////////////////////////////////
 153   // The following code is from the calculateEvents function in the    //
 154   // PostCalendar Module modified and inserted here by epsdky          //
 155   ///////////////////////////////////////////////////////////////////////
 156
 157   $events2 = array();
 158
 159   $res = sqlStatement($query, $sqlBindArray);
 160
 161   ////////
 162   if($nextX) {
 163   global $resNotNull;
 164   $resNotNull = (isset($res) && $res != null);
 165   }
 166
 167   while ($event = sqlFetchArray($res)) {
 168     ///////
 169     if($nextX) $stopDate = $event['pc_endDate'];
 170     else $stopDate = ($event['pc_endDate'] <= $to_date) ? $event['pc_endDate'] : $to_date;
 171     ///////
 172     $incX = 0;
 173     switch($event['pc_recurrtype']) {
 174
 175       case '0' :
 176
 177         $events2[] = $event;
 178
 179         break;
 180 //////
 181       case '1' :
 182       case '3' :
 183         $event_recurrspec = @unserialize($event['pc_recurrspec']);
 184
 185         $rfreq = $event_recurrspec['event_repeat_freq'];
 186         $rtype = $event_recurrspec['event_repeat_freq_type'];
 187         $exdate = $event_recurrspec['exdate'];
 188
 189         list($ny,$nm,$nd) = explode('-',$event['pc_eventDate']);
 190 //        $occurance = Date_Calc::dateFormat($nd,$nm,$ny,'%Y-%m-%d');
 191         $occurance = $event['pc_eventDate'];
 192
 193         while($occurance < $from_date) {
 194           $occurance =& __increment($nd,$nm,$ny,$rfreq,$rtype);
 195           list($ny,$nm,$nd) = explode('-',$occurance);
 196         }
 197
 198         while($occurance <= $stopDate) {
 199
 200             $excluded = false;
 201             if (isset($exdate)) {
 202                 foreach (explode(",", $exdate) as $exception) {
 203                     // occurrance format == yyyy-mm-dd
 204                     // exception format == yyyymmdd
 205                     if (preg_replace("/-/", "", $occurance) == $exception) {
 206                         $excluded = true;
 207                     }
 208                 }
 209             }
 210
 211             if ($excluded == false) {
 212               $event['pc_eventDate'] = $occurance;
 213               $event['pc_endDate'] = '0000-00-00';
 214               $events2[] = $event;
 215               //////
 216               if ($nextX) {
 217                 ++$incX;
 218                 if($incX == $nextX) break;
 219               }
 220               //////
 221             }
 222
 223             $occurance =& __increment($nd,$nm,$ny,$rfreq,$rtype);
 224             list($ny,$nm,$nd) = explode('-',$occurance);
 225
 226         }
 227
 228         break;
 229
 230 //////
 231       case '2' :
 232
 233         $event_recurrspec = @unserialize($event['pc_recurrspec']);
 234
 235         $rfreq = $event_recurrspec['event_repeat_on_freq'];
 236         $rnum  = $event_recurrspec['event_repeat_on_num'];
 237         $rday  = $event_recurrspec['event_repeat_on_day'];
 238         $exdate = $event_recurrspec['exdate'];
 239
 240         list($ny,$nm,$nd) = explode('-',$event['pc_eventDate']);
 241
 242         if(isset($event_recurrspec['rt2_pf_flag']) && $event_recurrspec['rt2_pf_flag']) $nd = 1;
 243
 244         $occuranceYm = "$ny-$nm"; // YYYY-mm
 245         $from_dateYm = substr($from_date,0,7); // YYYY-mm
 246         $stopDateYm = substr($stopDate,0,7); // YYYY-mm
 247
 248         // $nd will sometimes be 29, 30 or 31 and if used in the mktime functions below
 249         // a problem with overflow will occur so it is set to 1 to avoid this (for rt2
 250         // appointments set prior to fix $nd remains unchanged). This can be done since
 251         // $nd has no influence past the mktime functions.
 252         while($occuranceYm < $from_dateYm) {
 253           $occuranceYmX = date('Y-m-d',mktime(0,0,0,$nm+$rfreq,$nd,$ny));
 254           list($ny,$nm,$nd) = explode('-',$occuranceYmX);
 255           $occuranceYm = "$ny-$nm";
 256         }
 257
 258         while($occuranceYm <= $stopDateYm) {
 259
 260           // (YYYY-mm)-dd
 261           $dnum = $rnum;
 262           do {
 263             $occurance = Date_Calc::NWeekdayOfMonth($dnum--,$rday,$nm,$ny,$format="%Y-%m-%d");
 264           } while($occurance === -1);
 265
 266           if($occurance >= $from_date && $occurance <= $stopDate) {
 267
 268             $excluded = false;
 269             if (isset($exdate)) {
 270                 foreach (explode(",", $exdate) as $exception) {
 271                     // occurrance format == yyyy-mm-dd
 272                     // exception format == yyyymmdd
 273                     if (preg_replace("/-/", "", $occurance) == $exception) {
 274                         $excluded = true;
 275                     }
 276                 }
 277             }
 278
 279             if ($excluded == false) {
 280
 281               $event['pc_eventDate'] = $occurance;
 282               $event['pc_endDate'] = '0000-00-00';
 283               $events2[] = $event;
 284               //////
 285               if($nextX) {
 286                 ++$incX;
 287                 if($incX == $nextX) break;
 288               }
 289               //////
 290
 291             }
 292
 293           }
 294
 295           $occuranceYmX = date('Y-m-d',mktime(0,0,0,$nm+$rfreq,$nd,$ny));
 296           list($ny,$nm,$nd) = explode('-',$occuranceYmX);
 297           $occuranceYm = "$ny-$nm";
 298
 299         }
 300
 301         break;
 302
 303
 304
 305     }
 306
 307   }
 308   return $events2;
 309 ////////////////////// End of code inserted by epsdky
 310 }
 311
 312 function fetchAllEvents( $from_date, $to_date, $provider_id = null, $facility_id = null )
 313 {
 314         $sqlBindArray = array();
 315
 316         $where = "";
 317
 318         if ( $provider_id ) {
 319                 $where .= " AND e.pc_aid = ?";
 320                 array_push($sqlBindArray, $provider_id);
 321         }
 322
 323         if ( $facility_id ) {
 324                 $where .= " AND e.pc_facility = ? AND u.facility_id = ?";
 325                 array_push($sqlBindArray, $facility_id, $facility_id);
 326         }
 327
 328         $appointments = fetchEvents( $from_date, $to_date, $where, null, false, 0, $sqlBindArray );
 329         return $appointments;
 330 }
 331
 332 //Support for therapy group appointments added by shachar z.
 333 function fetchAppointments( $from_date, $to_date, $patient_id = null, $provider_id = null, $facility_id = null, $pc_appstatus = null, $with_out_provider = null, $with_out_facility = null, $pc_catid = null, $tracker_board = false, $nextX = 0, $group_id = null)
 334 {
 335         $sqlBindArray = array();
 336
 337         $where = "";
 338
 339         if ( $provider_id ) {
 340                 $where .= " AND e.pc_aid = ?";
 341                 array_push($sqlBindArray, $provider_id);
 342         }
 343
 344         if ( $patient_id ) {
 345                 $where .= " AND e.pc_pid = ?";
 346                 array_push($sqlBindArray, $patient_id);
 347         } elseif( $group_id ) {
 348                 //if $group_id this means we want only the group events
 349                 $where .= " AND e.pc_gid = ? AND e.pc_pid = ''";
 350                 array_push($sqlBindArray, $group_id);
 351         } else {
 352                 $where .= " AND e.pc_pid != ''";
 353         }
 354
 355         if ( $facility_id ) {
 356                 $where .= " AND e.pc_facility = ?";
 357                 array_push($sqlBindArray, $facility_id);
 358         }
 359
 360         //Appointment Status Checking
 361         if($pc_appstatus != ''){
 362                 $where .= " AND e.pc_apptstatus = ?";
 363                 array_push($sqlBindArray, $pc_appstatus);
 364         }
 365
 366         if($pc_catid !=null) {
 367                 $where .= " AND e.pc_catid = ?";
 368                 array_push($sqlBindArray, $pc_catid);
 369         }
 370
 371         //Without Provider checking
 372         if($with_out_provider != ''){
 373                 $where .= " AND e.pc_aid = ''";
 374         }
 375
 376         //Without Facility checking
 377         if($with_out_facility != ''){
 378                 $where .= " AND e.pc_facility = 0";
 379         }
 380
 381         $appointments = fetchEvents( $from_date, $to_date, $where, '', $tracker_board, $nextX, $sqlBindArray );
 382         return $appointments;
 383 }
 384
 385 //Support for therapy group appointments added by shachar z.
 386 function fetchNextXAppts($from_date, $patient_id, $nextX = 1, $group_id = null) {
 387
 388   $appts = array();
 389   $nextXAppts = array();
 390   $appts = fetchAppointments( $from_date, null, $patient_id, null, null, null, null, null, null, false, $nextX, $group_id);
 391   if($appts) {
 392     $appts = sortAppointments($appts);
 393     $nextXAppts = array_slice($appts, 0, $nextX);
 394   }
 395   return $nextXAppts;
 396
 397 }
 398
 399 // get the event slot size in seconds
 400 function getSlotSize()
 401 {
 402         if ( isset( $GLOBALS['calendar_interval'] ) ) {
 403                 return $GLOBALS['calendar_interval'] * 60;
 404         }
 405         return 15 * 60;
 406 }
 407
 408 function getAvailableSlots( $from_date, $to_date, $provider_id = null, $facility_id = null )
 409 {
 410         $appointments = fetchAllEvents( $from_date, $to_date, $provider_id, $facility_id );
 411         $appointments = sortAppointments( $appointments, "date" );
 412         $from_datetime = strtotime( $from_date." 00:00:00" );
 413         $to_datetime = strtotime( $to_date." 23:59:59" );
 414         $availableSlots = array();
 415         $start_time = 0;
 416         $date = 0;
 417         for ( $i = 0; $i < count( $appointments ); ++$i )
 418         {
 419                 if ( $appointments[$i]['pc_catid'] == 2 ) { // 2 == In Office
 420                         $start_time = $appointments[$i]['pc_startTime'];
 421                         $date = $appointments[$i]['pc_eventDate'];
 422                         $provider_id = $appointments[$i]['uprovider_id'];
 423                 } else if ( $appointments[$i]['pc_catid'] == 3 ) { // 3 == Out Of Office
 424                         continue;
 425                 } else {
 426                         $start_time = $appointments[$i]['pc_endTime'];
 427                         $date = $appointments[$i]['pc_eventDate'];
 428                         $provider_id = $appointments[$i]['uprovider_id'];
 429                 }
 430
 431                 // find next appointment with the same provider
 432                 $next_appointment_date = 0;
 433                 $next_appointment_time = 0;
 434                 for ( $j = $i+1; $j < count( $appointments ); ++$j ) {
 435                         if ( $appointments[$j]['uprovider_id'] == $provider_id ) {
 436                                 $next_appointment_date = $appointments[$j]['pc_eventDate'];
 437                                 $next_appointment_time = $appointments[$j]['pc_startTime'];
 438                                 break;
 439                         }
 440                 }
 441
 442                 $same_day = ( strtotime( $next_appointment_date ) == strtotime( $date ) ) ? true : false;
 443
 444                 if ( $next_appointment_time && $same_day ) {
 445                         // check the start time of the next appointment
 446
 447                         $start_datetime = strtotime( $date." ".$start_time );
 448                         $next_appointment_datetime = strtotime( $next_appointment_date." ".$next_appointment_time );
 449                         $curr_time = $start_datetime;
 450                         while ( $curr_time < $next_appointment_datetime - (getSlotSize() / 2) ) {
 451                                 //create a new appointment ever 15 minutes
 452                                 $time = date( "H:i:s", $curr_time );
 453                                 $available_slot = createAvailableSlot(
 454                                         $appointments[$i]['pc_eventDate'],
 455                                         $time,
 456                                         $appointments[$i]['ufname'],
 457                                         $appointments[$i]['ulname'],
 458                                         $appointments[$i]['umname'] );
 459                                 $availableSlots []= $available_slot;
 460                                 $curr_time += getSlotSize(); // add a 15-minute slot
 461                         }
 462                 }
 463         }
 464
 465         return $availableSlots;
 466 }
 467
 468 function createAvailableSlot( $event_date, $start_time, $provider_fname, $provider_lname, $provider_mname = "", $cat_name = "Available" )
 469 {
 470         $newSlot = array();
 471         $newSlot['ulname'] = $provider_lname;
 472         $newSlot['ufname'] = $provider_fname;
 473         $newSlot['umname'] = $provider_mname;
 474         $newSlot['pc_eventDate'] = $event_date;
 475         $newSlot['pc_startTime'] = $start_time;
 476         $newSlot['pc_endTime'] = $start_time;
 477         $newSlot['pc_catname'] = $cat_name;
 478         return $newSlot;
 479 }
 480
 481 function getCompareFunction( $code ) {
 482         global $COMPARE_FUNCTION_HASH;
 483         return $COMPARE_FUNCTION_HASH[$code];
 484 }
 485
 486 function getComparisonOrder( $code ) {
 487         global $ORDERHASH;
 488         return $ORDERHASH[$code];
 489 }
 490
 491
 492 function sortAppointments( array $appointments, $orderBy = 'date' )
 493 {
 494         global $appointment_sort_order;
 495         $appointment_sort_order = $orderBy;
 496         usort( $appointments, "compareAppointments" );
 497         return $appointments;
 498 }
 499
 500 // cmp_function for usort
 501 // The comparison function must return an integer less than, equal to,
 502 // or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.
 503 function compareAppointments( $appointment1, $appointment2 )
 504 {
 505         global $appointment_sort_order;
 506         $comparisonOrder = getComparisonOrder( $appointment_sort_order );
 507         foreach ($comparisonOrder as $comparison) {
 508                 $cmp_function = getCompareFunction($comparison);
 509                 $result = $cmp_function($appointment1, $appointment2);
 510                 if (0 != $result) {
 511                         return $result;
 512                 }
 513         }
 514
 515         return 0;
 516 }
 517
 518 function compareBasic( $e1, $e2 )
 519 {
 520         if ( $e1 < $e2 ) {
 521                 return -1;
 522         } else if ( $e1 > $e2 ) {
 523                 return 1;
 524         }
 525
 526         return 0;
 527 }
 528
 529 function compareAppointmentsByDate( $appointment1, $appointment2 )
 530 {
 531         $date1 = strtotime( $appointment1['pc_eventDate'] );
 532         $date2 = strtotime( $appointment2['pc_eventDate'] );
 533
 534         return compareBasic( $date1, $date2 );
 535 }
 536
 537 function compareAppointmentsByTime( $appointment1, $appointment2 )
 538 {
 539         $time1 = strtotime( $appointment1['pc_startTime'] );
 540         $time2 = strtotime( $appointment2['pc_startTime'] );
 541
 542         return compareBasic( $time1, $time2 );
 543 }
 544
 545 function compareAppointmentsByDoctorName( $appointment1, $appointment2 )
 546 {
 547         $name1 = $appointment1['ulname'];
 548         $name2 = $appointment2['ulname'];
 549         $cmp = compareBasic( $name1, $name2 );
 550         if ( $cmp == 0 ) {
 551                 $name1 = $appointment1['ufname'];
 552                 $name2 = $appointment2['ufname'];
 553                 return compareBasic( $name1, $name2 );
 554         }
 555
 556         return $cmp;
 557 }
 558
 559 function compareAppointmentsByPatientName( $appointment1, $appointment2 )
 560 {
 561         $name1 = $appointment1['lname'];
 562         $name2 = $appointment2['lname'];
 563         $cmp = compareBasic( $name1, $name2 );
 564         if ( $cmp == 0 ) {
 565                 $name1 = $appointment1['fname'];
 566                 $name2 = $appointment2['fname'];
 567                 return compareBasic( $name1, $name2 );
 568         }
 569
 570         return $cmp;
 571 }
 572
 573 function compareAppointmentsByType( $appointment1, $appointment2 )
 574 {
 575         $type1 = $appointment1['pc_catid'];
 576         $type2 = $appointment2['pc_catid'];
 577         return compareBasic( $type1, $type2 );
 578 }
 579
 580 function compareAppointmentsByPatientId( $appointment1, $appointment2 )
 581 {
 582         $id1 = $appointment1['pubpid'];
 583         $id2 = $appointment2['pubpid'];
 584         return compareBasic( $id1, $id2 );
 585 }
 586
 587 function compareAppointmentsByComment( $appointment1, $appointment2 )
 588 {
 589         $comment1 = $appointment1['pc_hometext'];
 590         $comment2 = $appointment2['pc_hometext'];
 591         return compareBasic( $comment1, $comment2 );
 592 }
 593
 594 function compareAppointmentsByStatus( $appointment1, $appointment2 )
 595 {
 596         $status1 = $appointment1['pc_apptstatus'];
 597         $status2 = $appointment2['pc_apptstatus'];
 598         return compareBasic( $status1, $status2 );
 599 }
 600
 601 function compareAppointmentsByTrackerStatus( $appointment1, $appointment2 )
 602 {
 603         $trackerstatus1 = $appointment1['status'];
 604         $trackerstatus2 = $appointment2['status'];
 605         return compareBasic( $trackerstatus1, $trackerstatus2 );
 606 }
 607
 608 function compareAppointmentsByCompletedDrugScreen( $appointment1, $appointment2 )
 609 {
 610         $completed1 = $appointment1['drug_screen_completed'];
 611         $completed2 = $appointment2['drug_screen_completed'];
 612         return compareBasic( $completed1, $completed2 );
 613 }
 614
 615 function fetchAppointmentCategories()
 616 {
 617      $catSQL= " SELECT pc_catid as id, pc_catname as category "
 618             . " FROM openemr_postcalendar_categories WHERE pc_recurrtype=0 and pc_cattype=0";
 619         if($GLOBALS['enable_group_therapy']) $catSQL .= " OR pc_cattype=3";
 620     $catSQL .= "  ORDER BY category";
 621      return sqlStatement($catSQL);
 622 }
 623
 624 function interpretRecurrence($recurr_freq, $recurr_type){
 625         global $REPEAT_FREQ, $REPEAT_FREQ_TYPE, $REPEAT_ON_NUM, $REPEAT_ON_DAY;
 626         $interpreted = "";
 627         $recurr_freq = unserialize($recurr_freq);
 628         if($recurr_type == 1){
 629                 $interpreted = $REPEAT_FREQ[$recurr_freq['event_repeat_freq']];
 630                 $interpreted .= " " . $REPEAT_FREQ_TYPE[$recurr_freq['event_repeat_freq_type']];
 631         }
 632         elseif($recurr_type == 2){
 633                 $interpreted = $REPEAT_FREQ[$recurr_freq['event_repeat_on_freq']];
 634                 $interpreted .= " " . $REPEAT_ON_NUM[$recurr_freq['event_repeat_on_num']];
 635                 $interpreted .= " " . $REPEAT_ON_DAY[$recurr_freq['event_repeat_on_day']];
 636         }
 637         elseif ($recurr_type == 3){
 638                 $interpreted = $REPEAT_FREQ[1];
 639                 $comma = "";
 640                 $day_arr = explode(",", $recurr_freq['event_repeat_freq']);
 641                 foreach ($day_arr as $day){
 642                         $interpreted .= $comma . " " . $REPEAT_ON_DAY[$day - 1];
 643                         $comma = ",";
 644                 }
 645
 646         }
 647
 648         return $interpreted;
 649 }
 650
 651 function fetchRecurrences($pid){
 652     $query = "SELECT pe.pc_title, pe.pc_endDate, pe.pc_recurrtype, pe.pc_recurrspec, pc.pc_catname FROM openemr_postcalendar_events AS pe "
 653                                         . "JOIN openemr_postcalendar_categories AS pc ON pe.pc_catid=pc.pc_catid "
 654                                         . "WHERE pe.pc_pid = ?  AND pe.pc_recurrtype > 0;";
 655         $sqlBindArray = array();
 656         array_push($sqlBindArray, $pid);
 657         $res = sqlStatement($query, $sqlBindArray);
 658         $row = 0;
 659         while($res_arr[$row] = sqlFetchArray($res)) {
 660                 $res_arr[$row]['pc_recurrspec'] = interpretRecurrence($res_arr[$row]['pc_recurrspec'], $res_arr[$row]['pc_recurrtype']);
 661                 $row++;
 662         }
 663         return $res_arr;
 664 }
 665
 666 function ends_in_a_week($end_date){
 667         $timestamp_in_a_week = strtotime('+7 day');
 668         $timestamp_end_date = strtotime($end_date);
 669         if($timestamp_in_a_week > $timestamp_end_date){
 670                 return true; //ends in a week
 671         }
 672         return false; // ends in more than a week
 673 }
 674
 675 //Checks if recurrence is current (didn't end yet).
 676 function recurrence_is_current($end_date){
 677         $end_date_timestamp = strtotime($end_date);
 678         $current_timestamp = time();
 679         if($current_timestamp <= $end_date_timestamp){
 680                 return true; //recurrence is current
 681         }
 682         return false;
 683 }
 684
 685 ?>